It was found that the Active Directory Plugin for Jenkins up to and including version 2.2 did not verify certificates of the Active Director

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• jenkins active directoryup to 2.2 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.

• Jenkins project Active Directory Jenkins plugin

  • <= 2.2affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Other highest-scoring records for the same primary product.

• CVE-2020-2301Jenkins Active Directory Plugin 2.19 and earlier allows attackers to log in as any user with any password while a successful authentication
  40Plan
• CVE-2020-2300Jenkins Active Directory Plugin 2.19 and earlier does not prohibit the use of an empty password in Windows/ADSI mode, which allows attackers
  40Plan
• CVE-2020-2299Jenkins Active Directory Plugin 2.19 and earlier allows attackers to log in as any user if a magic constant is used as the password.
  39Monitor
• CVE-2019-1003009An improper certificate validation vulnerability exists in Jenkins Active Directory Plugin 2.10 and earlier in src/main/java/hudson/plugins/
  29Monitor
• CVE-2026-48919Jenkins Active Directory Plugin 2.41 and earlier deserializes data from LDAP referrals without validation.
  26Monitor
• CVE-2026-48918Jenkins Active Directory Plugin 2.41 and earlier follows LDAP referrals by default.
  26Monitor

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

A certificate validation error is silently swallowed instead of terminating the connection. Often, code added for a test environment makes its way into production.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1override fun checkServerTrusted(chain: Array<X509Certificate>, type: String) {2  // Left empty for the test environment3}

1val client = OkHttpClient.Builder()2  .certificatePinner(3    CertificatePinner.Builder()4      .add("api.sirius.example", "sha256/…")5      .build()6  ).build()

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.